/*
 * Copyright 2020 Makani Technologies LLC
 *
 * Licensed under the Apache License, Version 2.0 (the "License");
 * you may not use this file except in compliance with the License.
 * You may obtain a copy of the License at
 *
 *      http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
 */

#ifndef COMMON_RUNFILES_DIR_H_
#define COMMON_RUNFILES_DIR_H_

#include <gflags/gflags.h>

#include <string>

// Returns the runfiles directory.
//
// If --runfiles_dir is not set, this falls back to RUNFILES_DIR.
std::string RunfilesDir();

// Sets --runfiles_dir from the corresponding binary path, dereferencing any
// symlinks.
//
// Does nothing if --runfiles_dir is already specified.
//
// Args:
//   argv_0: main's argv[0].
void SetRunfilesDirFromBinaryPath(const char *argv_0);

#endif  // COMMON_RUNFILES_DIR_H_
